Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Transcribed Image Text:Discuss the following concepts:
(a) homologous chromosomes
x ½ = 2)
(b) diploidy
(c)
haploidy
Answer the following questions with either True or False.
Provide a justification for your choice.
(a) Alleles occupy different loci on homologous
chromosomes.
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- The following four questions refer to the picture below: 1) In meiosis, the homologous chromosomes are side by side. Are they side by side in mitosis? 2)In meiosis, each centromere has a spindle fiber attached only to one side. In mitosis, each centromere has a spindle attached to how many sides? 3) Look at what happened right after Metaphase in both processes. In mitosis, what has been separated homologous chromosomes or sister chromatids? 4) After Metaphase I in meiosis, what has been separated, homologous chromosomes or sister chromatids?arrow_forwarda.)Meiosis in a plant b.)Meiosis in an animal c.)Telophase II d.)Meiosis in an animal e.)Mitosis in a plantarrow_forwardplease complete all partsarrow_forward
- Which of the following is/are (a) reason(s) why crossing over between two genes on the same chromosome may not result in genetic recombination? 1. No allelic variation between homologous pairs.2. Crossing over only occurs between sister chromatids.3. Non-random alignment of homologs during meiosis I. Group of answer choicesarrow_forwarddiscuss briefly The genetics of triploidyarrow_forwardD) Monoploid 3 8 12 7- 2 4 9 14 4 10 6 11 17 13 t 19 9 21 21 15 5 20 22 15 17 18 7 1 83 12 6 13 X 14 29. Regarding the chromosome territories scheme (above), which of the following is correct? A) The cell is a from a human female (the X chromosome territory is on the right side) The sex of the original subject cannot be determined, as there is only one chromorome identified as no other X nor a Y chromosome can be seen. The cell is from a human male (the Y chromosome territory is hidden from view) C) D) None of the abovearrow_forward
- Which of the following are differences between mitosis and meiosis I? CHOOSE ALL THAT APPLY. A) Crossing over occurs during meiosis I but not during mitosis B) DNA replication takes place prior to mitosis, but not before meiosis I C) Sister chromatids separate in mitosis, and homologs separate in meiosis I D) Only meiosis I results in daughter cells that contain identical genetic information E) Meiosis I results in two daughter cells, while mitosis results in four daughter cellsarrow_forward17- Klinefelter syndrome in humans, which leads to underdeveloped testes and sterility, is caused by which chromosomal condition? a) 45, X b) 47, XYY C) 47, XXY d) triploidy e) 47, 21+arrow_forward);:;)&$)(((((;;;$$)?,arrow_forward
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